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  1. Bull. Spec. CORESTA Congress, Guangzhou 1988, p. 132, P-5

    A study on the breeding of tobacco (Nicotiana tabacum L.) varieties resistant to veinal necrosis disease caused by potato virus Y strain T (PVY-T)

    YAMAMOTO Y.
    Japan Tobacco Inc., Plant Breeding and Genetics Research Lab., Toyodacho, Shizuoka, Japan.
    Tobacco veinal necrosis disease caused by Potato Virus Y strain T (PVY-T), a strain new to Japan, has been becoming a more and more serious problem, since the first cases in Japan were reported some 15 years ago. Presently, this disease causes significant ...